APA-ийн эшлэл(7 дахь хэвлэлт)

Covington, M. V. (1992). Making the grade: A self-worth perspective on motivation and school reform. Cambridge University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Covington, Martin V. Making the Grade: A Self-worth Perspective on Motivation and School Reform. Cambridge ; New York: Cambridge University Press, 1992.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Covington, Martin V. Making the Grade: A Self-worth Perspective on Motivation and School Reform. Cambridge University Press, 1992.